CN214532919U - Quantitative dosing device free from pressure fluctuation influence of injection system - Google Patents

Abstract

The utility model discloses a quantitative charge device that does not receive injection system pressure fluctuation influence, including the medicament bucket, one side of medicament bucket even has the weighing bucket, and weighing device is equipped with to the bottom of weighing bucket, and the conveying pump is equipped with to the side of weighing bucket, even has first pipeline between medicament bucket and the weighing bucket, even has the second pipeline between weighing bucket and the conveying pump, and the export of conveying pump has the third pipeline, the end and the medicament bucket intercommunication of third pipeline. The utility model discloses thoroughly changed and used the defeated material pump to rely on the measurement mode that pressure-bearing stage measured through volume or volume, it is leading through the measurement, carry out medicament measurement quality when the ordinary pressure, volume or liquid level etc. and use as far as possible to measure by the little measurement mode of pressure influence, improve the measurement precision, program control adds medicine interval time and can set for with the dose at every turn, thereby realize the incessant continuous medicine that adds in hour, use touch-sensitive screen 22, be convenient for operate and be convenient for write suitable procedure according to actual need, ductility is strong.

Description

Quantitative dosing device free from pressure fluctuation influence of injection system

Technical Field

The utility model relates to a charge device field, in particular to quantitative charge device who does not receive injection system pressure fluctuation influence.

Background

At present, some oil wells have strong oil, hydrogen sulfide, carbon dioxide, scale formation, wax deposition and other contradictions, and functional medicaments are required to be added from a sleeve or a flow so as to prolong the oil wells or achieve the aim of the maintenance-free period of a system

However, there are a number of problems with this dosing approach: when the pressure change of an injection system is large, the fluctuation of the actually injected medicament amount is also large, even the medicament cannot be injected when the pressure is high, and the medicament is injected too much when the pressure is low, so that the field effect of medicament application is poor, and the problem that the medicament is sometimes wasted and sometimes insufficient is prominent; in addition, if a mode of connecting a balance pipe in front of and behind a pump or a device for adding the medicament by using a communicating vessel principle is adopted, when the medicament is supplemented, waste gas in a medicament tank must be discharged into the air firstly, so that environmental pollution and potential safety hazard are caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art's defect, provide a quantitative charge device that is not influenced by injection system pressure fluctuation, the injection volume is not influenced by injection system pressure fluctuation, and medicament jar or injection system need not put pressure during the replenishment medicament, causes environmental pollution and potential safety hazard, and the measurement mode is for carrying out medicament measurement quality or volume or liquid level when the ordinary pressure to use as far as possible and measure by the little measurement mode of pressure influence.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a quantitative medicine adding device which is not influenced by the pressure fluctuation of an injection system, which comprises a medicine barrel, one side of the medicament barrel is connected with a weighing barrel, the bottom of the weighing barrel is provided with a weighing device, the side surface of the weighing barrel is provided with a material conveying pump, a first pipeline is connected between the medicament barrel and the weighing barrel, a second pipeline is connected between the weighing barrel and the material delivery pump, a third pipeline is arranged at the outlet of the delivery pump, the tail end of the third pipeline is communicated with the medicament barrel, a liquid outlet pipe is inserted in the side surface of the third pipeline, the outer side of the medicament barrel is provided with a controller and a transformer, the first pipeline is sequentially provided with a first switch valve and a charging valve, the second pipeline is sequentially provided with a second switch valve, a plunger pump and an electromagnetic valve, the third pipeline is provided with a pressure release valve, and the liquid outlet pipe is sequentially provided with a one-way valve, a valve with a meter and a third switch valve.

As an optimal technical scheme of the utility model, the mounting bracket is equipped with in the outside of medicament bucket, the weighing bucket is all installed in the mounting bracket with the conveying pump, weighing device installs between weighing bucket and mounting bracket.

As an optimal technical scheme of the utility model, the cushion is equipped with to the bottom of medicament bucket, first pipeline is pegged graft in the side bottom of medicament bucket.

As an optimal technical scheme of the utility model, the touch-sensitive screen is equipped with in the outside of medicament bucket, touch-sensitive screen and controller electric connection.

As the utility model discloses a preferred technical scheme, the charge valve is the normally closed valve, the solenoid valve is the normally closed valve, the conveying pump is electrodynamic type or mechanical type.

As a preferred technical scheme of the utility model, first ooff valve, second ooff valve and third ooff valve are manual valve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses thoroughly changed and used the defeated material pump to rely on the measurement mode that pressure-bearing stage measured through volume or volume, it is leading through the measurement, carry out medicament measurement quality when the ordinary pressure, volume or liquid level etc. and use as far as possible to measure by the little measurement mode of pressure influence, improve the measurement precision, program control adds medicine interval time and can set for with the dose at every turn, thereby realize the incessant continuous medicine that adds in hour, use touch-sensitive screen 22, be convenient for operate and be convenient for write suitable procedure according to actual need, ductility is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial enlarged view of the utility model at A;

fig. 3 is a partial enlarged view of the utility model at the position B;

in the figure: 1. a medicament barrel; 2. weighing a barrel; 3. a weighing device; 4. a delivery pump; 5. a first conduit; 6. A second conduit; 7. a third pipeline; 8. a liquid outlet pipe; 9. a controller; 10. a transformer; 11. a first on-off valve; 12. a feed valve; 13. a second on-off valve; 14. a plunger pump; 15. an electromagnetic valve; 16. a pressure relief valve; 17. a one-way valve; 18. a valve with a meter; 19. a third on-off valve; 20. a mounting frame; 21. cushion blocks; 22. a touch screen.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in figures 1-3, the utility model provides a quantitative charge device that is not influenced by injection system pressure fluctuation, including medicament bucket 1, one side of medicament bucket 1 even has weighing bucket 2, weighing device 3 is equipped with to the bottom of weighing bucket 2, the side of weighing bucket 2 is equipped with delivery pump 4, even there is first pipeline 5 between medicament bucket 1 and the weighing bucket 2, even there is second pipeline 6 between weighing bucket 2 and the delivery pump 4, the export of delivery pump 4 has third pipeline 7, the end of third pipeline 7 communicates with medicament bucket 1, peg graft in the side of third pipeline 7 has drain pipe 8, controller 9 and transformer 10 are equipped with in the outside of medicament bucket 1, first ooff valve 11 and charging valve 12 are equipped with in proper order on first pipeline 5, second ooff valve 13 is equipped with in proper order on second pipeline 6, plunger pump 14, solenoid valve 15, 16 is equipped with on the third pipeline 7, check valve 17, 17 are equipped with in proper order on the drain pipe 8, A dial valve 18 and a third on/off valve 19.

Further, the mounting bracket 20 is equipped with in the outside of medicament bucket 1, and weighing bucket 2 and defeated material pump 4 are all installed in mounting bracket 20, and weighing device 3 installs between weighing bucket 2 and mounting bracket 20, and the mounting bracket 20 is convenient for the combination and the installation of whole device.

Cushion 21 is equipped with to the bottom of medicament bucket 1, and first pipeline 5 pegs graft in the side bottom of medicament bucket 1, and cushion 21 can make the bottom of medicament bucket 1 be higher than ground, guarantees that the medicine homoenergetic in the medicament bucket 1 flows out naturally.

The touch screen 22 is installed in the outside of medicament bucket 1, and touch screen 22 and controller 9 electric connection, and touch screen 22 is convenient for control opening and shutting between valve and the pump, also can record the flow of each pump simultaneously.

The charging valve 12 is a normally closed valve, the electromagnetic valve 15 is a normally closed valve, and the material conveying pump 4 is of an electric type or a mechanical type.

The first switch valve 11, the second switch valve 13 and the third switch valve 19 are all manual valves, the reliability of the manual valves is higher, and the valves can be directly and manually closed when the pipeline is damaged, so that a large amount of liquid medicine is prevented from leaking.

Specifically, all valves are connected with a controller, a transformer power supply is connected, medicines are poured into a medicine barrel, after proper medicine adding time and medicine adding intervals are selected on a touch screen, the controller can control the on-off of the valves according to a program so as to control medicine adding, when the medicines are added, a feeding valve 12 is opened, the medicines enter a weighing barrel 2, a weighing device 3 transmits measured data to a controller 9, when the data reach a set value, the feeding valve 12 is closed, when the medicine adding time point is reached, a plunger pump 14 is opened, the medicines in the weighing barrel are quickly extruded out of the weighing barrel 2, the medicines enter a third pipeline 7 through a conveying pump 4, the medicine adding is completed through a liquid outlet pipe 8, a meter valve 18 can detect the pressure in the pipeline, when the pressure is too high, after a pressure relief valve 16 relieves the pressure, the rest gas and liquid enter the weighing barrel 2 again, a one-way valve 17 can prevent the medicines from flowing back, the material delivery pump 4 can detect the actual time and the dosage of the medicine, the data automatically generate a data table under the arrangement of related programs, the data are convenient to directly inquire on the touch screen 22, and corresponding control programs can be written according to actual needs to achieve different purposes.

The utility model discloses thoroughly changed and used the defeated material pump to rely on the measurement mode that pressure-bearing stage measured through volume or volume, it is leading through the measurement, carry out medicament measurement quality when the ordinary pressure, volume or liquid level etc. and use as far as possible to measure by the little measurement mode of pressure influence, improve the measurement precision, program control adds medicine interval time and can set for with the dose at every turn, thereby realize the incessant continuous medicine that adds in hour, use touch-sensitive screen 22, be convenient for operate and be convenient for write suitable procedure according to actual need, ductility is strong.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A quantitative dosing device free of pressure fluctuation influence of an injection system comprises a medicament barrel (1) and is characterized in that one side of the medicament barrel (1) is connected with a weighing barrel (2), the bottom of the weighing barrel (2) is provided with a weighing device (3), the side face of the weighing barrel (2) is provided with a delivery pump (4), a first pipeline (5) is connected between the medicament barrel (1) and the weighing barrel (2), a second pipeline (6) is connected between the weighing barrel (2) and the delivery pump (4), the outlet of the delivery pump (4) is provided with a third pipeline (7), the tail end of the third pipeline (7) is communicated with the medicament barrel (1), the side face of the third pipeline (7) is spliced with a liquid outlet pipe (8), and the outer side of the medicament barrel (1) is provided with a controller (9) and a transformer (10);

a first switch valve (11) and a charging valve (12) are sequentially arranged on the first pipeline (5);

a second switch valve (13), a plunger pump (14) and an electromagnetic valve (15) are sequentially arranged on the second pipeline (6);

a pressure release valve (16) is arranged on the third pipeline (7);

the liquid outlet pipe (8) is sequentially provided with a one-way valve (17), a meter valve (18) and a third switch valve (19).

2. The quantitative dosing device free from the pressure fluctuation of the injection system as claimed in claim 1, wherein a mounting rack (20) is installed on the outer side of the medicament barrel (1), the weighing barrel (2) and the delivery pump (4) are installed in the mounting rack (20), and the weighing device (3) is installed between the weighing barrel (2) and the mounting rack (20).

3. A dosing device which is not affected by pressure fluctuations in the injection system as claimed in claim 2, characterized in that the bottom of the cartridge (1) is provided with a gasket (21) and the first conduit (5) is plugged into the side bottom of the cartridge (1).

4. The quantitative dosing device free from pressure fluctuation of an injection system as claimed in claim 1, wherein a touch screen (22) is installed on the outer side of the medicament barrel (1), and the touch screen (22) is electrically connected with the controller (9).

5. The quantitative dosing device free from pressure fluctuation of an injection system as claimed in claim 1, wherein the charging valve (12) is a normally closed valve, the electromagnetic valve (15) is a normally closed valve, and the feed delivery pump (4) is of an electric type or a mechanical type.

6. A dosing device immune to injection system pressure fluctuations according to claim 1, characterized in that the first (11), second (13) and third (19) on/off valves are manual valves.

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